KR20210038153A - 전계 발광 소자 및 이를 포함하는 표시 장치 - Google Patents

전계 발광 소자 및 이를 포함하는 표시 장치 Download PDF

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KR20210038153A
KR20210038153A KR1020190120930A KR20190120930A KR20210038153A KR 20210038153 A KR20210038153 A KR 20210038153A KR 1020190120930 A KR1020190120930 A KR 1020190120930A KR 20190120930 A KR20190120930 A KR 20190120930A KR 20210038153 A KR20210038153 A KR 20210038153A
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South Korea
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layer
transport layer
fluorescent material
hole transport
delayed fluorescent
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KR1020190120930A
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Korean (ko)
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KR102712541B1 (ko
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정대영
김회윤
이연경
장은주
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삼성전자주식회사
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Priority to KR1020190120930A priority Critical patent/KR102712541B1/ko
Priority to US17/030,543 priority patent/US11575099B2/en
Priority to EP20198450.7A priority patent/EP3798283B1/fr
Publication of KR20210038153A publication Critical patent/KR20210038153A/ko
Priority to US18/083,782 priority patent/US20230121473A1/en
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    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
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    • C09K11/88Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
    • C09K11/881Chalcogenides
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    • H05B33/00Electroluminescent light sources
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    • H05B33/00Electroluminescent light sources
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    • H05B33/20Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
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    • H10K50/11OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H10K50/115OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising active inorganic nanostructures, e.g. luminescent quantum dots
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    • H10K50/00Organic light-emitting devices
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    • H10K50/00Organic light-emitting devices
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    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14Carrier transporting layers
    • H10K50/15Hole transporting layers
    • H10K50/155Hole transporting layers comprising dopants
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/14Carrier transporting layers
    • H10K50/16Electron transporting layers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
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    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
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    • C09K2211/1059Heterocyclic compounds characterised by ligands containing three nitrogen atoms as heteroatoms
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  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nanotechnology (AREA)
  • Electroluminescent Light Sources (AREA)
KR1020190120930A 2019-09-30 2019-09-30 전계 발광 소자 및 이를 포함하는 표시 장치 KR102712541B1 (ko)

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Application Number Priority Date Filing Date Title
KR1020190120930A KR102712541B1 (ko) 2019-09-30 2019-09-30 전계 발광 소자 및 이를 포함하는 표시 장치
US17/030,543 US11575099B2 (en) 2019-09-30 2020-09-24 Electroluminescent device comprising thermally activated delayed fluorescence material, and display device comprising the same
EP20198450.7A EP3798283B1 (fr) 2019-09-30 2020-09-25 Dispositif électroluminescent et dispositif d'affichage le comprenant
US18/083,782 US20230121473A1 (en) 2019-09-30 2022-12-19 Electroluminescent device, and display device comprising thereof

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Application Number Priority Date Filing Date Title
KR1020190120930A KR102712541B1 (ko) 2019-09-30 2019-09-30 전계 발광 소자 및 이를 포함하는 표시 장치

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KR20210038153A true KR20210038153A (ko) 2021-04-07
KR102712541B1 KR102712541B1 (ko) 2024-09-30

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EP (1) EP3798283B1 (fr)
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114628605A (zh) * 2022-03-11 2022-06-14 合肥福纳科技有限公司 一种量子点发光二极管及其制备方法
WO2024079908A1 (fr) * 2022-10-14 2024-04-18 シャープディスプレイテクノロジー株式会社 Élément luminescent ainsi que procédé de fabrication de celui-ci, et dispositif d'affichage

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170027305A (ko) * 2015-09-01 2017-03-09 가부시키가이샤 한도오따이 에네루기 켄큐쇼 발광 소자, 발광 장치, 전자 기기, 및 조명 장치
CN109088008A (zh) * 2018-08-23 2018-12-25 京东方科技集团股份有限公司 一种有机发光器件及显示面板
CN109180853A (zh) * 2018-07-19 2019-01-11 京东方科技集团股份有限公司 Tadf聚合物配体、量子点材料和其制备方法及应用
KR20190018573A (ko) * 2014-03-13 2019-02-22 메르크 파텐트 게엠베하 발광 화합물 제형
JP2019508836A (ja) * 2016-02-18 2019-03-28 京東方科技集團股▲ふん▼有限公司Boe Technology Group Co.,Ltd. 量子ドット発光デバイス及びその製造方法、表示基板及び表示装置
KR20190110046A (ko) * 2018-03-19 2019-09-27 삼성전자주식회사 전계 발광 소자 및 이를 포함하는 표시 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101772548B1 (ko) 2015-05-29 2017-08-30 성균관대학교산학협력단 화합물 및 이를 포함하는 유기전계 발광소자
CN108630820A (zh) 2017-03-21 2018-10-09 北京大学深圳研究生院 一种交流平面有机电致发光器件
KR101752573B1 (ko) 2015-12-10 2017-06-30 성균관대학교산학협력단 지연형광-양자점 전계발광다이오드
CN106997889B (zh) 2016-01-26 2019-10-15 昆山工研院新型平板显示技术中心有限公司 一种基于量子点电致发光器件的rgb彩色显示器件
CN106997890B (zh) 2016-01-26 2020-05-15 昆山工研院新型平板显示技术中心有限公司 一种基于量子点电致发光器件的彩色显示器件
CN106997927B (zh) 2016-01-26 2019-06-07 昆山工研院新型平板显示技术中心有限公司 一种量子点电致发光器件
CN106997926B (zh) 2016-01-26 2019-07-05 昆山工研院新型平板显示技术中心有限公司 一种白光量子点电致发光器件
CN105552245B (zh) 2016-02-18 2017-07-28 京东方科技集团股份有限公司 电致发光器件及其制作方法、显示装置
KR101881212B1 (ko) 2016-09-08 2018-07-23 성균관대학교산학협력단 유기발광소자
CN107808931B (zh) 2017-09-21 2021-08-24 华南师范大学 Tadf材料敏化的多层结构量子点发光二极管及其制法
CN108948865B (zh) * 2017-12-18 2020-07-10 广东聚华印刷显示技术有限公司 电致发光材料墨水及其电致发光器件
JP2021048366A (ja) * 2019-09-20 2021-03-25 株式会社ジャパンディスプレイ 表示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190018573A (ko) * 2014-03-13 2019-02-22 메르크 파텐트 게엠베하 발광 화합물 제형
KR20170027305A (ko) * 2015-09-01 2017-03-09 가부시키가이샤 한도오따이 에네루기 켄큐쇼 발광 소자, 발광 장치, 전자 기기, 및 조명 장치
JP2019508836A (ja) * 2016-02-18 2019-03-28 京東方科技集團股▲ふん▼有限公司Boe Technology Group Co.,Ltd. 量子ドット発光デバイス及びその製造方法、表示基板及び表示装置
KR20190110046A (ko) * 2018-03-19 2019-09-27 삼성전자주식회사 전계 발광 소자 및 이를 포함하는 표시 장치
CN109180853A (zh) * 2018-07-19 2019-01-11 京东方科技集团股份有限公司 Tadf聚合物配体、量子点材料和其制备方法及应用
CN109088008A (zh) * 2018-08-23 2018-12-25 京东方科技集团股份有限公司 一种有机发光器件及显示面板

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US20230121473A1 (en) 2023-04-20
KR102712541B1 (ko) 2024-09-30
US11575099B2 (en) 2023-02-07
EP3798283A1 (fr) 2021-03-31
EP3798283B1 (fr) 2022-07-13
US20210098728A1 (en) 2021-04-01

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